#include <REGX52.H>
#include <intrins.h>
unsigned char snum[]={0xf7,0xfb,0xfd,0xfe};
void Delay(unsigned int xms)	//@11.0592MHz
{
	unsigned char i, j;
		while(xms--){
	_nop_();
	i = 2;
	j = 199;
	do
	{
		while (--j);
	} while (--i);
}
}